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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Grade history report test.
*
* @package gradereport_history
* @copyright 2014 Frédéric Massart - FMCorz.net
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Grade history report test class.
*
* @package gradereport_history
* @copyright 2014 Frédéric Massart - FMCorz.net
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class gradereport_history_report_testcase extends advanced_testcase {
/**
* Create some grades.
*/
public function test_query_db() {
$this->resetAfterTest();
// Making the setup.
$c1 = $this->getDataGenerator()->create_course();
$c2 = $this->getDataGenerator()->create_course();
$c1ctx = context_course::instance($c1->id);
$c2ctx = context_course::instance($c2->id);
// Users.
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
$u4 = $this->getDataGenerator()->create_user();
$u5 = $this->getDataGenerator()->create_user();
$grader1 = $this->getDataGenerator()->create_user();
$grader2 = $this->getDataGenerator()->create_user();
self::getDataGenerator()->enrol_user($grader1->id, $c1->id, 'teacher');
self::getDataGenerator()->enrol_user($grader2->id, $c1->id, 'teacher');
self::getDataGenerator()->enrol_user($u2->id, $c1->id, 'student');
self::getDataGenerator()->enrol_user($u3->id, $c1->id, 'student');
self::getDataGenerator()->enrol_user($u4->id, $c1->id, 'student');
self::getDataGenerator()->enrol_user($u5->id, $c1->id, 'student');
// Modules.
$c1m1 = $this->getDataGenerator()->create_module('assign', array('course' => $c1));
$c1m2 = $this->getDataGenerator()->create_module('assign', array('course' => $c1));
$c1m3 = $this->getDataGenerator()->create_module('assign', array('course' => $c1));
$c2m1 = $this->getDataGenerator()->create_module('assign', array('course' => $c2));
$c2m2 = $this->getDataGenerator()->create_module('assign', array('course' => $c2));
// Creating fake history data.
$giparams = array('itemtype' => 'mod', 'itemmodule' => 'assign');
$grades = array();
$this->setUser($grader1);
$gi = grade_item::fetch($giparams + array('iteminstance' => $c1m1->id));
$grades['c1m1u1'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id,
'timemodified' => time() - 3600));
$grades['c1m1u2'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u2->id,
'timemodified' => time() + 3600));
$grades['c1m1u3'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u3->id));
$grades['c1m1u4'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u4->id));
$grades['c1m1u5'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u5->id));
$gi = grade_item::fetch($giparams + array('iteminstance' => $c1m2->id));
$grades['c1m2u1'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id));
$grades['c1m2u2'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u2->id));
$gi = grade_item::fetch($giparams + array('iteminstance' => $c1m3->id));
$grades['c1m3u1'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id));
$gi = grade_item::fetch($giparams + array('iteminstance' => $c2m1->id));
$grades['c2m1u1'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id,
'usermodified' => $grader1->id));
$grades['c2m1u2'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u2->id,
'usermodified' => $grader1->id));
$grades['c2m1u3'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u3->id,
'usermodified' => $grader1->id));
$grades['c2m1u4'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u4->id,
'usermodified' => $grader2->id));
// Histories where grades have not been revised..
$grades['c2m1u5a'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u5->id,
'timemodified' => time() - 60));
$grades['c2m1u5b'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u5->id,
'timemodified' => time()));
$grades['c2m1u5c'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u5->id,
'timemodified' => time() + 60));
// Histories where grades have been revised and not revised.
$now = time();
$gi = grade_item::fetch($giparams + array('iteminstance' => $c2m2->id));
$grades['c2m2u1a'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id,
'timemodified' => $now - 60, 'finalgrade' => 50));
$grades['c2m2u1b'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id,
'timemodified' => $now - 50, 'finalgrade' => 50)); // Not revised.
$grades['c2m2u1c'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id,
'timemodified' => $now, 'finalgrade' => 75));
$grades['c2m2u1d'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id,
'timemodified' => $now + 10, 'finalgrade' => 75)); // Not revised.
$grades['c2m2u1e'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id,
'timemodified' => $now + 60, 'finalgrade' => 25));
$grades['c2m2u1f'] = $this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id,
'timemodified' => $now + 70, 'finalgrade' => 25)); // Not revised.
// TODO MDL-46736 Handle deleted/non-existing grade items.
// Histories with missing grade items, considered as deleted.
// $grades['c2x1u5'] = $this->create_grade_history($giparams + array('itemid' => -1, 'userid' => $u5->id, 'courseid' => $c1->id));
// $grades['c2x2u5'] = $this->create_grade_history($giparams + array('itemid' => 999999, 'userid' => $u5->id, 'courseid' => $c1->id));
// Basic filtering based on course id.
$this->assertEquals(8, $this->get_tablelog_results($c1ctx, array(), true));
$this->assertEquals(13, $this->get_tablelog_results($c2ctx, array(), true));
// Filtering on 1 user.
$this->assertEquals(3, $this->get_tablelog_results($c1ctx, array('userids' => $u1->id), true));
// Filtering on more users.
$this->assertEquals(4, $this->get_tablelog_results($c1ctx, array('userids' => "$u1->id,$u3->id"), true));
// Filtering based on one grade item.
$gi = grade_item::fetch($giparams + array('iteminstance' => $c1m1->id));
$this->assertEquals(5, $this->get_tablelog_results($c1ctx, array('itemid' => $gi->id), true));
$gi = grade_item::fetch($giparams + array('iteminstance' => $c1m3->id));
$this->assertEquals(1, $this->get_tablelog_results($c1ctx, array('itemid' => $gi->id), true));
// Filtering based on the grader.
$this->assertEquals(3, $this->get_tablelog_results($c2ctx, array('grader' => $grader1->id), true));
$this->assertEquals(1, $this->get_tablelog_results($c2ctx, array('grader' => $grader2->id), true));
// Filtering based on date.
$results = $this->get_tablelog_results($c1ctx, array('datefrom' => time() + 1800));
$this->assertGradeHistoryIds(array($grades['c1m1u2']->id), $results);
$results = $this->get_tablelog_results($c1ctx, array('datetill' => time() - 1800));
$this->assertGradeHistoryIds(array($grades['c1m1u1']->id), $results);
$results = $this->get_tablelog_results($c1ctx, array('datefrom' => time() - 1800, 'datetill' => time() + 1800));
$this->assertGradeHistoryIds(array($grades['c1m1u3']->id, $grades['c1m1u4']->id, $grades['c1m1u5']->id,
$grades['c1m2u1']->id, $grades['c1m2u2']->id, $grades['c1m3u1']->id), $results);
// Filtering based on revised only.
$this->assertEquals(3, $this->get_tablelog_results($c2ctx, array('userids' => $u5->id), true));
$this->assertEquals(1, $this->get_tablelog_results($c2ctx, array('userids' => $u5->id, 'revisedonly' => true), true));
// More filtering based on revised only.
$gi = grade_item::fetch($giparams + array('iteminstance' => $c2m2->id));
$this->assertEquals(6, $this->get_tablelog_results($c2ctx, array('userids' => $u1->id, 'itemid' => $gi->id), true));
$results = $this->get_tablelog_results($c2ctx, array('userids' => $u1->id, 'itemid' => $gi->id, 'revisedonly' => true));
$this->assertGradeHistoryIds(array($grades['c2m2u1a']->id, $grades['c2m2u1c']->id, $grades['c2m2u1e']->id), $results);
// Checking the value of the previous grade.
$this->assertEquals(null, $results[$grades['c2m2u1a']->id]->prevgrade);
$this->assertEquals($grades['c2m2u1a']->finalgrade, $results[$grades['c2m2u1c']->id]->prevgrade);
$this->assertEquals($grades['c2m2u1c']->finalgrade, $results[$grades['c2m2u1e']->id]->prevgrade);
// Put course in separate groups mode, add grader1 and two students to the same group.
$c1->groupmode = SEPARATEGROUPS;
update_course($c1);
$this->assertFalse(has_capability('moodle/site:accessallgroups', \context_course::instance($c1->id)));
$g1 = self::getDataGenerator()->create_group(['courseid' => $c1->id, 'name' => 'g1']);
self::getDataGenerator()->create_group_member(['groupid' => $g1->id, 'userid' => $grader1->id]);
self::getDataGenerator()->create_group_member(['groupid' => $g1->id, 'userid' => $u1->id]);
self::getDataGenerator()->create_group_member(['groupid' => $g1->id, 'userid' => $u2->id]);
$this->assertEquals(2, $this->get_tablelog_results($c1ctx, array(), true));
// Grader2 is not in any groups.
$this->setUser($grader2);
$this->assertEquals(0, $this->get_tablelog_results($c1ctx, array(), true));
}
/**
* Test the get users helper method.
*/
public function test_get_users() {
$this->resetAfterTest();
// Making the setup.
$c1 = $this->getDataGenerator()->create_course();
$c2 = $this->getDataGenerator()->create_course();
$c1ctx = context_course::instance($c1->id);
$c2ctx = context_course::instance($c2->id);
$c1m1 = $this->getDataGenerator()->create_module('assign', array('course' => $c1));
$c2m1 = $this->getDataGenerator()->create_module('assign', array('course' => $c2));
// Users.
$u1 = $this->getDataGenerator()->create_user(array('firstname' => 'Eric', 'lastname' => 'Cartman'));
$u2 = $this->getDataGenerator()->create_user(array('firstname' => 'Stan', 'lastname' => 'Marsh'));
$u3 = $this->getDataGenerator()->create_user(array('firstname' => 'Kyle', 'lastname' => 'Broflovski'));
$u4 = $this->getDataGenerator()->create_user(array('firstname' => 'Kenny', 'lastname' => 'McCormick'));
// Creating grade history for some users.
$gi = grade_item::fetch(array('iteminstance' => $c1m1->id, 'itemtype' => 'mod', 'itemmodule' => 'assign'));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u2->id));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u3->id));
$gi = grade_item::fetch(array('iteminstance' => $c2m1->id, 'itemtype' => 'mod', 'itemmodule' => 'assign'));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u4->id));
// Checking fetching some users.
$users = \gradereport_history\helper::get_users($c1ctx);
$this->assertCount(3, $users);
$this->assertArrayHasKey($u3->id, $users);
$users = \gradereport_history\helper::get_users($c2ctx);
$this->assertCount(1, $users);
$this->assertArrayHasKey($u4->id, $users);
$users = \gradereport_history\helper::get_users($c1ctx, 'c');
$this->assertCount(1, $users);
$this->assertArrayHasKey($u1->id, $users);
$users = \gradereport_history\helper::get_users($c1ctx, '', 0, 2);
$this->assertCount(2, $users);
$this->assertArrayHasKey($u3->id, $users);
$this->assertArrayHasKey($u1->id, $users);
$users = \gradereport_history\helper::get_users($c1ctx, '', 1, 2);
$this->assertCount(1, $users);
$this->assertArrayHasKey($u2->id, $users);
// Checking the count of users.
$this->assertEquals(3, \gradereport_history\helper::get_users_count($c1ctx));
$this->assertEquals(1, \gradereport_history\helper::get_users_count($c2ctx));
$this->assertEquals(1, \gradereport_history\helper::get_users_count($c1ctx, 'c'));
}
/**
* Data provider method for \gradereport_history_report_testcase::test_get_users_with_groups()
*/
public function get_users_provider() {
return [
'Visible groups, non-editing teacher, not in any group' => [
VISIBLEGROUPS, 'teacher', ['g1', 'g2'], ['s1', 's2', 's3', 's4', 's5']
],
'Visible groups, non-editing teacher' => [
VISIBLEGROUPS, 'teacher', [], ['s1', 's2', 's3', 's4', 's5']
],
'Visible groups, editing teacher' => [
VISIBLEGROUPS, 'editingteacher', ['g1', 'g2'], ['s1', 's2', 's3', 's4', 's5']
],
'Separate groups, non-editing teacher' => [
SEPARATEGROUPS, 'teacher', ['g1', 'g2'], ['s1', 's2']
],
'Separate groups, non-editing teacher, not in any group' => [
SEPARATEGROUPS, 'teacher', [], []
],
'Separate groups, non-editing teacher and student share two groups' => [
SEPARATEGROUPS, 'teacher', ['g4', 'g5'], ['s5']
],
'Separate groups, editing teacher' => [
SEPARATEGROUPS, 'editingteacher', ['g1', 'g2'], ['s1', 's2', 's3', 's4', 's5']
],
];
}
/**
* Test for helper::get_users() with course group mode set.
*
* @dataProvider get_users_provider
* @param $groupmode
* @param $teacherrole
* @param $teachergroups
* @param $expectedusers
*/
public function test_get_users_with_groups($groupmode, $teacherrole, $teachergroups, $expectedusers) {
global $DB;
$this->resetAfterTest();
$generator = $this->getDataGenerator();
// Create a test course.
$course = $generator->create_course(['groupmode' => $groupmode]);
// Create an assignment module.
$assign = $generator->create_module('assign', ['course' => $course]);
// Fetch roles.
$role = $DB->get_record('role', ['shortname' => $teacherrole], '*', MUST_EXIST);
$studentrole = $DB->get_record('role', ['shortname' => 'student'], '*', MUST_EXIST);
// Create users.
$t1 = $generator->create_user(['username' => 't1', 'email' => 't1@example.com']);
$s1 = $generator->create_user(['username' => 's1', 'email' => 's1@example.com']);
$s2 = $generator->create_user(['username' => 's2', 'email' => 's2@example.com']);
$s3 = $generator->create_user(['username' => 's3', 'email' => 's3@example.com']);
$s4 = $generator->create_user(['username' => 's4', 'email' => 's4@example.com']);
$s5 = $generator->create_user(['username' => 's5', 'email' => 's5@example.com']);
// Enrol users.
$generator->enrol_user($t1->id, $course->id, $role->id);
$generator->enrol_user($s1->id, $course->id, $studentrole->id);
$generator->enrol_user($s2->id, $course->id, $studentrole->id);
$generator->enrol_user($s3->id, $course->id, $studentrole->id);
$generator->enrol_user($s4->id, $course->id, $studentrole->id);
$generator->enrol_user($s5->id, $course->id, $studentrole->id);
// Create groups.
$groups = [];
$groups['g1'] = $generator->create_group(['courseid' => $course->id, 'name' => 'g1']);
$groups['g2'] = $generator->create_group(['courseid' => $course->id, 'name' => 'g2']);
$groups['g3'] = $generator->create_group(['courseid' => $course->id, 'name' => 'g3']);
$groups['g4'] = $generator->create_group(['courseid' => $course->id, 'name' => 'g4']);
$groups['g5'] = $generator->create_group(['courseid' => $course->id, 'name' => 'g5']);
// Add teacher to the assigned groups.
foreach ($teachergroups as $groupname) {
$group = $groups[$groupname];
$generator->create_group_member(['groupid' => $group->id, 'userid' => $t1->id]);
}
// Add students to groups.
$generator->create_group_member(['groupid' => $groups['g1']->id, 'userid' => $s1->id]);
$generator->create_group_member(['groupid' => $groups['g2']->id, 'userid' => $s2->id]);
$generator->create_group_member(['groupid' => $groups['g3']->id, 'userid' => $s3->id]);
$generator->create_group_member(['groupid' => $groups['g4']->id, 'userid' => $s5->id]);
$generator->create_group_member(['groupid' => $groups['g5']->id, 'userid' => $s5->id]);
// Creating grade history for the students.
$gi = grade_item::fetch(['iteminstance' => $assign->id, 'itemtype' => 'mod', 'itemmodule' => 'assign']);
$this->create_grade_history(['itemid' => $gi->id, 'userid' => $s1->id]);
$this->create_grade_history(['itemid' => $gi->id, 'userid' => $s2->id]);
$this->create_grade_history(['itemid' => $gi->id, 'userid' => $s3->id]);
$this->create_grade_history(['itemid' => $gi->id, 'userid' => $s4->id]);
$this->create_grade_history(['itemid' => $gi->id, 'userid' => $s5->id]);
// Log in as the teacher.
$this->setUser($t1);
// Fetch the users.
$users = \gradereport_history\helper::get_users(context_course::instance($course->id));
// Confirm that the number of users fetched is the same as the count of expected users.
$this->assertCount(count($expectedusers), $users);
foreach ($users as $user) {
// Confirm that each user returned is in the list of expected users.
$this->assertTrue(in_array($user->username, $expectedusers));
}
}
/**
* Test the get graders helper method.
*/
public function test_graders() {
$this->resetAfterTest();
// Making the setup.
$c1 = $this->getDataGenerator()->create_course();
$c2 = $this->getDataGenerator()->create_course();
$c3 = $this->getDataGenerator()->create_course(['groupmode' => SEPARATEGROUPS]);
$c1m1 = $this->getDataGenerator()->create_module('assign', array('course' => $c1));
$c2m1 = $this->getDataGenerator()->create_module('assign', array('course' => $c2));
$c3m1 = $this->getDataGenerator()->create_module('assign', array('course' => $c3));
// Users.
$u1 = $this->getDataGenerator()->create_user(array('firstname' => 'Eric', 'lastname' => 'Cartman'));
$u2 = $this->getDataGenerator()->create_user(array('firstname' => 'Stan', 'lastname' => 'Marsh'));
$u3 = $this->getDataGenerator()->create_user(array('firstname' => 'Kyle', 'lastname' => 'Broflovski'));
$u4 = $this->getDataGenerator()->create_user(array('firstname' => 'Kenny', 'lastname' => 'McCormick'));
foreach ([$c1, $c2, $c3] as $course) {
foreach ([$u1, $u2, $u3, $u4] as $user) {
self::getDataGenerator()->enrol_user($user->id, $course->id, 'student');
}
}
// Creating grade history for some users.
$gi = grade_item::fetch(array('iteminstance' => $c1m1->id, 'itemtype' => 'mod', 'itemmodule' => 'assign'));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id, 'usermodified' => $u1->id));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id, 'usermodified' => $u2->id));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id, 'usermodified' => $u3->id));
$gi = grade_item::fetch(array('iteminstance' => $c2m1->id, 'itemtype' => 'mod', 'itemmodule' => 'assign'));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id, 'usermodified' => $u4->id));
$gi = grade_item::fetch(array('iteminstance' => $c3m1->id, 'itemtype' => 'mod', 'itemmodule' => 'assign'));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u1->id, 'usermodified' => $u1->id));
$this->create_grade_history(array('itemid' => $gi->id, 'userid' => $u2->id, 'usermodified' => $u2->id));
// Checking fetching some users.
$graders = \gradereport_history\helper::get_graders($c1->id);
$this->assertCount(4, $graders); // Including "all graders" .
$this->assertArrayHasKey($u1->id, $graders);
$this->assertArrayHasKey($u2->id, $graders);
$this->assertArrayHasKey($u3->id, $graders);
$graders = \gradereport_history\helper::get_graders($c2->id);
$this->assertCount(2, $graders); // Including "all graders" .
$this->assertArrayHasKey($u4->id, $graders);
// Third course is in separate groups mode. Only graders from the same group will be returned.
$g = self::getDataGenerator()->create_group(['courseid' => $course->id, 'name' => 'g1']);
self::getDataGenerator()->create_group_member(['groupid' => $g->id, 'userid' => $u1->id]);
self::getDataGenerator()->create_group_member(['groupid' => $g->id, 'userid' => $u2->id]);
$this->setUser($u1);
$graders = \gradereport_history\helper::get_graders($c3->id);
$this->assertCount(3, $graders); // Including "all graders" .
$this->setUser($u3);
$graders = \gradereport_history\helper::get_graders($c3->id);
$this->assertCount(1, $graders); // Including "all graders" .
}
/**
* Asserts that the array of grade objects contains exactly the right IDs.
*
* @param array $expectedids Array of expected IDs.
* @param array $objects Array of objects returned by the table.
*/
protected function assertGradeHistoryIds(array $expectedids, array $objects) {
$this->assertCount(count($expectedids), $objects);
$expectedids = array_flip($expectedids);
foreach ($objects as $object) {
$this->assertArrayHasKey($object->id, $expectedids);
unset($expectedids[$object->id]);
}
$this->assertCount(0, $expectedids);
}
/**
* Create a new grade history entry.
*
* @param array $params Of values.
* @return object The grade object.
*/
protected function create_grade_history($params) {
global $DB;
$params = (array) $params;
if (!isset($params['itemid'])) {
throw new coding_exception('Missing itemid key.');
}
if (!isset($params['userid'])) {
throw new coding_exception('Missing userid key.');
}
// Default object.
$grade = new stdClass();
$grade->itemid = 0;
$grade->userid = 0;
$grade->oldid = 123;
$grade->rawgrade = 50;
$grade->finalgrade = 50;
$grade->timecreated = time();
$grade->timemodified = time();
$grade->information = '';
$grade->informationformat = FORMAT_PLAIN;
$grade->feedback = '';
$grade->feedbackformat = FORMAT_PLAIN;
$grade->usermodified = 2;
// Merge with data passed.
$grade = (object) array_merge((array) $grade, $params);
// Insert record.
$grade->id = $DB->insert_record('grade_grades_history', $grade);
return $grade;
}
/**
* Returns a table log object.
*
* @param context_course $coursecontext The course context.
* @param array $filters An array of filters.
* @param boolean $count When true, returns a count rather than an array of objects.
* @return mixed Count or array of objects.
*/
protected function get_tablelog_results($coursecontext, $filters = array(), $count = false) {
$table = new gradereport_history_tests_tablelog('something', $coursecontext, new moodle_url(''), $filters);
return $table->get_test_results($count);
}
}
/**
* Extended table log class.
*/
class gradereport_history_tests_tablelog extends \gradereport_history\output\tablelog {
/**
* Get the test results.
*
* @param boolean $count Whether or not we want the count.
* @return mixed Count or array of objects.
*/
public function get_test_results($count = false) {
global $DB;
if ($count) {
list($sql, $params) = $this->get_sql_and_params(true);
return $DB->count_records_sql($sql, $params);
} else {
$this->setup();
list($sql, $params) = $this->get_sql_and_params();
return $DB->get_records_sql($sql, $params);
}
}
}